Filtrarisma tou Peer2Peer ???

[Giorgos Keramidas]

On 2005-06-30 13:09, Evangelos Tsontsis <evangelos.tsontsis at kcl.ac.uk> wrote:
>Andreas Chalkias wrote:
>>Έχω μια απορία... Γνωρίζεται πως μπορεί κανείς να φιλτράρει τα
>>Peer2Peer (p2p) προγράμματα διαμέσου ενός content filter
>>προγράμματος όπως το DansGuardian, ώστε αναζητήσεις για απαγορευμένο
>>υλικό να μην επιστρέφει αποτελέσματα??
>
> Poly dyskolo na ginei kati tetoio....To DansGuardian flitrarei HTTP
> kodika pou einai standardized kai universal. H katastasi me ta
> diafora p2p einai diaforetiki. Diaforetiko protocolo gia ka8e ena
> apo ta diaforetika diktia p2p. 8eoritika an kapoios 8a i8ele na
> ftiaksei ena tetoio filter programa ayto 8a eprepe na kanei ta
> eksis:
> 1. na kanei capture to traffic tis p2p application, kai decoding ta
> paketa (san to ethereal)
> 2. se real time na anagnorizei to 'SEARCH' request (i to antistixo
> message tou ka8e p2p protocolou)
> 3. Na diavazei to payload tou 'SEARCH'
> 4. Na sygkrinei to payload me mia lista apo apagoreymenes lekseis
> pou esy o admin 8a orizeis....
> 5. Na min afinei to 'Search" message na pernaei an exeis match
>
> Kai mono gia to parapano 8eleis arketo processing mia pou:
> 1. to traffic pou kanei generate ena p2p application einai terastio
> (idios se sygkrisi me HTTP)
> 2. Ti akribos filtra 8a baleis???? ante na skefteis ti pi8ana
> onomata 8a exoun ta arxeia pou 8a skeftei na katevasei ka8e xristis
> kai 8a psaksei gia ayta
> 3. ka8os ta protocola allazoun (i bgainoun kainouria p2p) 8a prepei
> na grapseis kodika pou na anagnorizei to kainourio protocol stin
> piatsa

Sxedon adynaton na paiksei "swsta" to filtering me bash ta "searches".

An o allos psaksei gia "?n?l*s*rr?a", pos tha brei to programma sou
oti auto einai "apagoreumeno search" epeidh kanei match me to string
"anal asia carrera" ? :P